CN211828311U - Transformer high-voltage bushing heat abstractor - Google Patents
Transformer high-voltage bushing heat abstractor Download PDFInfo
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- CN211828311U CN211828311U CN202020710009.2U CN202020710009U CN211828311U CN 211828311 U CN211828311 U CN 211828311U CN 202020710009 U CN202020710009 U CN 202020710009U CN 211828311 U CN211828311 U CN 211828311U
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- conducting rod
- porcelain bushing
- bushing
- transformer
- porcelain
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Abstract
The utility model discloses a heat dissipation device for a high-voltage bushing of a transformer, which comprises a porcelain bushing and a conducting rod; the porcelain bushing is positioned at the outermost part of the sleeve, the porcelain bushing outwards and downwards extends to form a large umbrella skirt and a small umbrella skirt, a flange plate is connected to the position, close to the bottom, of the porcelain bushing, a pressing ring is arranged at the top end of the porcelain bushing to seal the top of the porcelain bushing, a nut is arranged at the top of the pressing ring, an oil gap is formed between the porcelain bushing and the conducting rod, and a metal gasket is connected to the bottom end of the porcelain bushing to seal the bottom of the porcelain bushing; the conducting rod axially penetrates through the porcelain bushing, an upper installation part is arranged at the top end of the conducting rod, a wiring terminal is connected to the top end of the conducting rod, a lock ring is sleeved on the conducting rod which is located a short distance below the pressing ring, a lower installation part is arranged at the bottom end of the conducting rod, and preferably installation holes are formed in the upper installation part and the lower installation part.
Description
Technical Field
The utility model belongs to high-voltage electrical components field, concretely relates to transformer high-tension bushing heat abstractor.
Background
The transformer bushing used by the power system is mainly an oil-immersed transformer bushing and a dry bushing partially adopting gas medium for auxiliary insulation, the transformer bushing is a main insulation device outside a transformer box, leading-out wires of a transformer winding must penetrate through the insulation bushing to enable the leading-out wires and the leading-out wires to be insulated from each other and the transformer shell to play a role of fixing the leading-out wires, but when the existing transformer high-voltage bushing is used, a conductive column can generate a large amount of heat during working, and the heat dissipation inside the high-voltage bushing is poor, so that the transformer high-voltage bushing is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's shortcoming, provide a transformer high-tension bushing heat abstractor, not only have good insulating properties, easily conducting rod heat gives off like the room in addition, therefore has improved sheathed tube life higher.
In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device for a high-voltage bushing of a transformer comprises a porcelain bushing and a conducting rod; the porcelain bushing is positioned at the outermost part of the sleeve, the porcelain bushing outwards and downwards extends to form a large umbrella skirt and a small umbrella skirt, a flange plate is connected to the position, close to the bottom, of the porcelain bushing, a pressing ring is arranged at the top end of the porcelain bushing to seal the top of the porcelain bushing, a nut is arranged at the top of the pressing ring, an oil gap is formed between the porcelain bushing and the conducting rod, and a metal gasket is connected to the bottom end of the porcelain bushing to seal the bottom of the porcelain bushing; the conducting rod axially penetrates through the porcelain bushing, an upper installation part is arranged at the top end of the conducting rod, a wiring terminal is connected to the top end of the conducting rod, a lock ring is sleeved on the conducting rod which is located a short distance below the pressing ring, a lower installation part is arranged at the bottom end of the conducting rod, and preferably installation holes are formed in the upper installation part and the lower installation part.
Preferably, the circumferential wall of the inner surface of the porcelain sleeve is provided with radiating fins which are uniformly and parallelly arranged.
Preferably, the flange plate is divided into an upper disk and a lower disk, and screw holes are formed in the flange plate.
Preferably, the lock ring fixes the top end of the insulating tube and the conductive rod, and the insulating tube is wrapped on the outer surface of the conductive rod.
Preferably, the outer wall of the insulating tube is provided with radiating fins which are uniformly and parallelly arranged.
Preferably, the porcelain bushing and the radiating fins on the insulating tube are arranged in a cross manner.
Preferably, the insulating tube and the fin material are both ceramic.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, the design is simple, and the manufacturing cost is low; secondly, the design of the sheet-shaped radiating fins not only increases the unit radiating area of the conducting rod, but also increases the unit heat transfer area of the porcelain sleeve, so that the heat generated by the conducting rod can be quickly dissipated to the outside of the sleeve, and the service life of the sleeve is prolonged.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the whole casing of the present invention;
fig. 2 is a partial schematic view of the sleeve of the present invention.
In the figure: 1. the connecting terminal comprises a connecting terminal body, 2, a conducting rod, 3, a pressing ring, 4, an oil gap, 5, a radiating fin, 6, an insulating tube, 7, a flange plate, 8, a screw hole, 9, a lower mounting part, 10, an upper mounting part, 11, a nut, 12, a locking ring, 13, a small umbrella skirt, 14, a large umbrella skirt, 15, a porcelain bushing, 16, a metal gasket, 17 and a mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a technical solution: a heat dissipating double-fuselage of the high-tension bushing of the potential transformer, including the porcelain bushing 15 and conducting rod 2; the porcelain bushing 15 is positioned at the outermost part of the sleeve, the porcelain bushing 15 outwards and downwards extends to form a large umbrella skirt 14 and a small umbrella skirt 13, the bottom of the porcelain bushing 15 close to the porcelain bushing 15 is connected with a flange plate 7, the flange plate 7 is divided into an upper disc and a lower disc, the flange plate 7 is provided with a screw hole 8, the top end of the porcelain bushing 15 is provided with a pressing ring 3 to seal the top of the porcelain bushing 15, the top of the pressing ring 3 is provided with a nut 11, a gap between the porcelain bushing 15 and the conducting rod 2 is an oil gap 4, the bottom end of the porcelain bushing 15 is connected with a metal gasket 16 to seal the bottom of the porcelain bushing 15, and radiating fins 5 which are uniformly; the insulator is characterized in that the conducting rod 2 axially penetrates through the porcelain bushing 15, the top end of the conducting rod 2 is provided with an upper mounting part 10, the top end of the conducting rod 2 is connected with a wiring terminal 1, the conducting rod 2 is sleeved with a lock ring 12 short of the lower part of the pressing ring 3, the lock ring 12 fixes the top end of the insulating tube 6 and the conducting rod 2, the insulating tube 6 is wrapped on the outer surface of the conducting rod 2, the radiating fins 5 which are uniformly and parallelly arranged are arranged on the outer wall of the insulating tube 6, the porcelain bushing 15 and the radiating fins 5 on the insulating tube 6 are arranged in a crossed mode, the insulating tube 6 and the radiating fins 5 are made of ceramic, the bottom end of the conducting rod 2 is provided with a lower mounting part 9, and preferably, the upper mounting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a transformer high-voltage bushing heat abstractor, includes insulator (15) and conducting rod (2), its characterized in that: the porcelain bushing (15) is located on the outermost portion of the sleeve, a large umbrella skirt (14) and a small umbrella skirt (13) extend outwards and downwards from the porcelain bushing (15), a flange plate (7) is connected to the position, close to the bottom, of the porcelain bushing (15), a pressing ring (3) is arranged at the top end of the porcelain bushing (15) to enable the top of the porcelain bushing (15) to be sealed, a nut (11) is arranged at the top of the pressing ring (3), an oil gap (4) is formed between the porcelain bushing (15) and the conducting rod (2), and a metal gasket (16) is connected to the bottom end of the porcelain bushing (15) to enable the bottom of the porcelain bushing (15) to be sealed; the insulator (15) is run through to conducting rod (2) axial, the top of conducting rod (2) is provided with installation department (10), conducting rod (2) top is connected with binding post (1), conducting rod (2) are located clamping ring (3) below short distance cover and have lock ring (12), the bottom of conducting rod (2) is provided with down installation department (9), all be provided with mounting hole (17) on last installation department (10) and lower installation department (9).
2. The heat dissipating device for a high-voltage bushing of a transformer as claimed in claim 1, wherein: the circumferential wall of the inner surface of the porcelain bushing (15) is provided with radiating fins (5) which are uniformly and parallelly arranged.
3. The heat dissipating device for a high-voltage bushing of a transformer as claimed in claim 1, wherein: the flange plate (7) is divided into an upper disk and a lower disk, and a screw hole (8) is formed in the flange plate (7).
4. The heat dissipating device for a high-voltage bushing of a transformer as claimed in claim 1, wherein: the top end of the insulating tube (6) is fixed with the conducting rod (2) through the locking ring (12), and the insulating tube (6) is wrapped on the outer surface of the conducting rod (2).
5. The heat dissipating device for a high-voltage bushing of a transformer as claimed in claim 4, wherein: and the outer wall of the insulating tube (6) is provided with radiating fins (5) which are uniformly and parallelly arranged.
6. The heat dissipating device for a high-voltage bushing of a transformer as claimed in claim 1, wherein: the porcelain bushing (15) and the radiating fins (5) on the insulating tube (6) are arranged in a crossed manner.
7. The heat dissipating device for a high-voltage bushing of a transformer as claimed in claim 6, wherein: the insulating tube (6) and the radiating fin (5) are made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020710009.2U CN211828311U (en) | 2020-05-04 | 2020-05-04 | Transformer high-voltage bushing heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020710009.2U CN211828311U (en) | 2020-05-04 | 2020-05-04 | Transformer high-voltage bushing heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211828311U true CN211828311U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020710009.2U Active CN211828311U (en) | 2020-05-04 | 2020-05-04 | Transformer high-voltage bushing heat abstractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114898997A (en) * | 2022-05-26 | 2022-08-12 | 国网安徽省电力有限公司青阳县供电公司 | Wisdom rural area network deployment elasticity electric wire netting power transmission is convenient for measure and is used mutual-inductor |
-
2020
- 2020-05-04 CN CN202020710009.2U patent/CN211828311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114898997A (en) * | 2022-05-26 | 2022-08-12 | 国网安徽省电力有限公司青阳县供电公司 | Wisdom rural area network deployment elasticity electric wire netting power transmission is convenient for measure and is used mutual-inductor |
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